Adjustable alcohol burner



FIG. 1 is a perspective view of an adjustable alcohol burner,illustrated in an assembled configuration, showing our new design;

FIG. 2 is an exploded perspective view thereof, illustrating a base, alid, and an adjustment ring thereof in a disassembled configuration;

FIG. 3 is a front elevational view of the adjustment ring thereof, therear elevational view, left-side elevational view, and right-sideelevational view each being a mirror image thereof;

FIG. 4 is a top plan view of the adjustment ring thereof;

FIG. 5 is a bottom plan view of the adjustment ring thereof;

FIG. 6 is a front elevational view of the lid thereof, the rearelevational view, left-side elevational view, and right-side elevationalview each being a mirror image thereof;

FIG. 7 is a top plan view of the lid thereof;

FIG. 8 is a bottom plan view of the lid thereof;

FIG. 9 is a perspective view of the lid thereof;

FIG. 10 is a front elevational view of the base thereof, the rearelevational view, left-side elevational view, and right-side elevationalview each being a mirror image thereof;

FIG. 11 is a top plan view of the base thereof; and,

FIG. 12 is a bottom plan view of the base thereof.

We claim the ornamental design for an adjustable alcohol burner, asshown and described.